Finding the Fourth Proportional to 5,768,689,942.20, 8,653,034,913.30 and 5,381,706,415.80
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Solution
The fourth proportional to 5,768,689,942.20, 8,653,034,913.30 and 5,381,706,415.80 is: 8,072,559,623.70
Step by Step Solution
- Step 1: Write the proportion equation
5,768,689,942.20 : 8,653,034,913.30 = 5,381,706,415.80 : x - Step 2: Convert to fraction form
5,768,689,942.20/8,653,034,913.30 = 5,381,706,415.80/x - Step 3: Cross multiply
5,768,689,942.20x = 8,653,034,913.30 × 5,381,706,415.80 - Step 4: Simplify right side
5,768,689,942.20x = 46,568,093,509,048,000,512 - Step 5: Solve for x
x = 46,568,093,509,048,000,512/5,768,689,942.20 - Step 6: Final answer
x = 8,072,559,623.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.